{ disko.devices = { disk = { main = { type = "disk"; device = "/dev/disk/by-diskseq/1"; content = { type = "gpt"; partitions = { ESP = { priority = 1; name = "ESP"; start = "1M"; end = "128M"; type = "EF00"; content = { type = "filesystem"; format = "vfat"; mountpoint = "/boot"; mountOptions = [ "umask=0077" ]; }; }; root = { size = "100%"; content = { type = "btrfs"; extraArgs = [ "-f" ]; # Override existing partition # Subvolumes must set a mountpoint in order to be mounted, # unless their parent is mounted subvolumes = { # Subvolume name is different from mountpoint "/rootfs" = { mountpoint = "/"; }; # Subvolume name is the same as the mountpoint "/home" = { mountOptions = [ "compress=zstd" ]; mountpoint = "/home"; }; # Sub(sub)volume doesn't need a mountpoint as its parent is mounted "/home/user" = { }; # Parent is not mounted so the mountpoint must be set "/nix" = { mountOptions = [ "compress=zstd" "noatime" ]; mountpoint = "/nix"; }; # This subvolume will be created but not mounted "/test" = { }; # Subvolume for the swapfile "/swap" = { mountpoint = "/.swapvol"; swap = { swapfile.size = "20M"; swapfile2.size = "20M"; swapfile2.path = "rel-path"; }; }; }; mountpoint = "/partition-root"; swap = { swapfile = { size = "20M"; }; swapfile1 = { size = "20M"; }; }; }; }; }; }; }; }; }; }